Home / 13,656.52-20,485.19-5,336.20

Finding the Fourth Proportional to 13,656.52, 20,485.19 and 5,336.20

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Solution

The fourth proportional to 13,656.52, 20,485.19 and 5,336.20 is: 8,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.52 : 20,485.19 = 5,336.20 : x
  2. Step 2: Convert to fraction form
    13,656.52/20,485.19 = 5,336.20/x
  3. Step 3: Cross multiply
    13,656.52x = 20,485.19 × 5,336.20
  4. Step 4: Simplify right side
    13,656.52x = 109,313,070.88
  5. Step 5: Solve for x
    x = 109,313,070.88/13,656.52
  6. Step 6: Final answer
    x = 8,004.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.